1242102524125 has 16 divisors (see below), whose sum is σ = 1553301142848. Its totient is φ = 991658178000.

The previous prime is 1242102524101. The next prime is 1242102524141. The reversal of 1242102524125 is 5214252012421.

It is not a de Polignac number, because 1242102524125 - 2¹¹ = 1242102522077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10057587 + ... + 10180336.

It is an arithmetic number, because the mean of its divisors is an integer number (97081321428).

Almost surely, 2^{1242102524125} is an apocalyptic number.

It is an amenable number.

1242102524125 is a deficient number, since it is larger than the sum of its proper divisors (311198618723).

1242102524125 is an equidigital number, since it uses as much as digits as its factorization.

1242102524125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20238429 (or 20238419 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 1242102524125 its reverse (5214252012421), we get a palindrome (6456354536546).

The spelling of 1242102524125 in words is "one trillion, two hundred forty-two billion, one hundred two million, five hundred twenty-four thousand, one hundred twenty-five".